SimpleWaveWriter.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
 
namespace Audio
{
    class FSimpleWaveWriter
    {
    public:
        CORE_API FSimpleWaveWriter(TUniquePtr<FArchive>&& InOutputStream, int32 InSampleRate, int32 InNumChannels, bool bInUpdateHeaderAfterEveryWrite);
        CORE_API ~FSimpleWaveWriter();
 
        CORE_API void Write(TArrayView<const float> InBuffer);
 
    private:
        void WriteHeader(int32 InSampleRate, int32 InNumChannels);
        void UpdateHeader();
 
        TUniquePtr<FArchive> OutputStream;
        int32 RiffSizePos = 0;
        int32 DataSizePos = 0;
        bool bUpdateHeaderAfterEveryWrite = false;
    };
}